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🚨 [security] Update nodemailer 6.7.5 → 6.9.15 (minor) #2606

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🚨 [security] Update nodemailer 6.7.5 → 6.9.15 (minor) #2606

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@depfu depfu bot commented Sep 4, 2024 •
edited by brecke
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🚨 Your current dependencies have known security vulnerabilities 🚨

This dependency update fixes known security vulnerabilities. Please see the details below and assess their impact carefully. We recommend to merge and deploy this as soon as possible!

Here is everything you need to know about this update. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ nodemailer (6.7.5 → 6.9.15) · Repo · Changelog

Security Advisories 🚨

🚨 nodemailer ReDoS when trying to send a specially crafted email

Summary

A ReDoS vulnerability occurs when nodemailer tries to parse img files with the parameter attachDataUrls set, causing the stuck of event loop.
Another flaw was found when nodemailer tries to parse an attachments with a embedded file, causing the stuck of event loop.

Details

Regex: /^data:((?:[^;];)(?:[^,])),(.)$/

Path: compile -> getAttachments -> _processDataUrl

Regex: /(<img\b[^>]* src\s*=[\s"']*)(data:([^;]+);[^"'>\s]+)/

Path: _convertDataImages

PoC

https://gist.github.com/francoatmega/890dd5053375333e40c6fdbcc8c58df6
https://gist.github.com/francoatmega/9aab042b0b24968d7b7039818e8b2698

Impact

ReDoS causes the event loop to stuck a specially crafted evil email can cause this problem.

Release Notes

Too many releases to show here. View the full release notes.

Commits

See the full diff on Github. The new version differs by 72 commits:

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This change is Reviewable

@depfu depfu bot added the depfu label Sep 4, 2024
@depfu depfu bot mentioned this pull request Sep 4, 2024
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depfu bot commented Oct 29, 2024

Closed in favor of #2615.

@depfu depfu bot closed this Oct 29, 2024
@depfu depfu bot deleted the depfu/update/npm/nodemailer-6.9.15 branch October 29, 2024 12:42
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